We have to work out the relative percentage of each group at a university e.g. Engineering 10%, Social Sciences 15%, English 20%, Sciences 25%, Languages 10%, Law 5%, Medicine 15% The sample must then contain all these groups in the same proportion as in the target population (university students).
Everything you need for your Tie-Dye project: Dyes, color enrichments, fixers, clothing blanks, and more! Tie-dye describes a pattern of color made by preventing the dye from reaching some areas of the fabric by using tight ties of rubber bands, sinew, string, etc., while dyeing others.
1 The most common item is a t-shirt, but you can dye just about anything (shirt, pants, socks, handkerchief, pillowcase, sheets, curtains, tablecloth, etc). 2  You just need to make sure it is at least 60% cotton. 3  Something to Tie With-You also need rubber bands or string to tie up the item you will be dyeing.